Calpine Corporation is helping meet the needs of an economy that demands more and cleaner sources of electricity. Founded in 1984, Calpine is a major U.S. power company, currently capable of delivering nearly 24,000 megawatts of clean, cost-effective, reliable, and fuel-efficient... more

EnCana Corporation (EnCana) is a natural gas producer. The Company is one of the holders of natural gas and oil resource lands onshore North America. EnCana's other operations include the transportation and marketing of crude oil, natural gas and natural gas liquids, as well as the... more

FuelCell Energy, Inc. (FuelCell Energy) is engaged in the development and manufacturing of fuel cell power plants for electric power generation. The products are designed to meet the 24/7 baseload power needs of commercial, industrial, government and utility customers. The products have... more

Founded in 1997 to change the way power is made, Green Mountain Energy Company is one of the nation's leading retail providers of cleaner electricity products, offering residential, business, institutional and governmental customers the choice to support cleaner electricity generated from... more

Hydrogenics Corporation (Hydrogenics) is a global developer and provider of hydrogen and fuel cell products and services, serving the industrial and clean energy markets. The Corporation has a diversified product portfolio of OnSite hydrogen generation products, fuel cell power products,... more

CEI is the leading national marketer of wind-generated power. CEI markets power from most of the wind farms in the mid-Atlantic and New York. Marketing under the NewWind Energy� brand, CEI partners with leading electric suppliers to offer a wind energy choice directly to retail electric... more

in California in 1905, is one of the largest combination natural gas and electric utilities in the United States.

Plug Power Inc. together with its subsidiaries, is a development-stage enterprise involved in the design, development and manufacture of fuel cell systems for stationary and motive markets worldwide. The Company is developing a range of fuel cell products and services, including hydrogen... more

Florida Power & Light Company (FPL) is a rate-regulated utility company engaged primarily in the generation, transmission, distribution and sale of electric energy. The Company is a wholly owned subsidiary of FPL Group, Inc. FPL supplies electric service to a population of more than 8.7... more

Ecotricity is an electricity company with a difference - we're dedicated to changing the way electricity is made. We take the money our customers spend on electricity and invest it in clean forms of power like wind energy. What's more, we're the only green electricity company actually... more

FPL Energy is a leading clean energy provider with natural gas, wind, solar, hydroelectric and nuclear power plants in operation across the nation. FPL Energy is a subsidiary of FPL Group, Inc., one of the nation's largest providers of electricity-related services. Our portfolio of... more

Iberdrola SA is a Spain-based holding company primarily engaged in the energy sector. Together with its subsidiaries the Company forms Grupo Iberdrola, which operates in approximately 40 countries. In Spain, it is mainly engaged in the generation and supply of electricity and gas. It... more

Renewable Energy Corporation ASA (REC) was established in 1996 and has quickly become the world's leading integrated solar company. Today, REC is the world's largest producer of polysilicon and wafers for PV applications. REC is involved in all steps of the value chain, from production of... more

Native American majority-owned, NativeEnergy is a national marketer of carbon offsets and renewable energy credits (RECs), offering individuals and organizations a means to compensate for their global warming pollution, or to effectively power their homes and businesses with renewable... more

Clean Energy Fuels Corp. (Clean Energy) is a provider of natural gas as an alternative fuel for vehicle fleets in the United States and Canada. The Company offers a solution to enable customers to run their fleets on natural gas. It designs, builds, finances and operates fueling stations,... more

Basin Electric is a consumer-owned, regional cooperative headquartered in Bismarck. It generates and transmits electricity to 121 member rural electric systems in nine states: Colorado, Iowa, Minnesota, Montana, Nebraska, New Mexico, North Dakota, South Dakota, and Wyoming. These member... more

FPL Group, Inc. (FPL Group) is a provider of electricity-related services. The Company has two principal operating subsidiaries, Florida Power & Light Company (FPL) and FPL Energy, LLC (FPL Energy). FPL is a rate-regulated utility engaged primarily in the generation, transmission,... more

PPM Energy (www.ppmenergy.com), part of the IBERDROLA group of companies, has more than 2,000 megawatts (MW) of wind energy in operation or under construction. The strength of its renewable project pipeline has allowed the company to increase its 2010 target by more than 50 percent to at... more

PNM Resources, Inc. (PNMR) is a holding company of energy and energy-related businesses. The Company’s primary subsidiaries are Public Service Company of New Mexico (PNM), Texas-New Mexico Power Company (TNMP), First Choice Power, L. P. (First Choice) and Altura Power L.P. (Altura). PNM... more

Suburban Propane Partners, L.P. is a marketer and distributor of an array of products, which meet the energy needs of its customers. The Company specializes in the distribution of propane, fuel oil and refined fuels, as well as the marketing of natural gas and electricity in deregulated... more

Comverge, Inc. is a clean energy company providing peaking and base load capacity to electric utilities, grid operators and associated electricity markets. The Company operates in three segments. Through its Smart Grid Solutions Group, Comverge develops and delivers smart grid solutions... more

PG&E Corporation is an energy-based holding company that conducts its business through Pacific Gas and Electric Company (Utility), a public utility operating in northern and central California. The Utility engages primarily in the businesses of electricity and natural gas distribution,... more

Hoku Scientific, Inc. is a diversified clean energy technologies company with three business units: Hoku Materials, Hoku Solar and Hoku Fuel Cells. Hoku Materials focuses on manufacturing, marketing and selling polysilicon for the solar market from its plant, which is under construction... more

Energy Trust of Oregon, Inc., is a nonprofit organization dedicated to changing how Oregonians use energy by promoting energy efficiency and clean, renewable energy for Oregon customers of Portland General Electric, Pacific Power, NW Natural and Cascade Natural Gas.

Invenergy LLC is a leading energy company focused on the development, acquisition and management of large-scale power generation assets. Chicago based Invenergy LLC is a leading clean energy company focused on the development, ownership, operation and management of large-scale... more

The Massachusetts Technology Collaborative is the state's quasi-public economic development agency focused on growing the renewable energy sector and the state's knowledge-based economy. MTC administers the Renewable Energy Trust, which was established to generate the maximum economic and... more

Ameresco provides a wide range of energy plant development, design, construction and management services for energy conversion equipment (e.g., boilers, chillers, air compressors) and for onsite generation and power plant operation. We can also develop, finance, own and operate these... more

The Renewable Energy and Energy Efficiency Partnership (REEEP) is an active, global public-private partnership that structures policy and regulatory initiatives for clean energy, and facilitates financing for energy projects. The partnership was launched by the UK government at the... more

Ausra develops and deploys utility-scale solar thermal power technology to serve global electricity needs in a dependable, market-competitive, environmentally responsible manner. Ausra's zero-carbon power plants generate electricity at current market prices for fossil-fired power... more

Edison International is engaged in the business of holding, for investment, the common stock of its subsidiaries. Edison International has three segments: an electric utility operation segment (SCE), a non utility power generation segment (EME), and a financial services provider segment... more

Pacific Hydro was founded in 1992, and since that time has developed an impressive range of hydro and wind projects in Australia and overseas. With a policy of not building any new dams, all our hydro projects have made use of either existing irrigation dams or run-of-water flows, while... more

Renewable Choice is a national leader in providing renewable energy and carbon offsets to organizations and individuals across the country. The company's sole mission is to provide opportunities to help move our society toward a more sustainable future. Renewable Choice is an... more

Environmental Power Corporation is a developer, owner, and operator of renewable energy production facilities. The Company owns and operates the Huckabay Ridge facility in Stephenville, Texas, a multi-digester facility for the production of pipeline-grade natural gas, which began... more

U.S. Energy Systems, Inc. (USEY) develops clean, efficient energy sources, produces power, and provides energy services, all in concert with the needs of the customer. USEY distinguishes itself by the quality and customization of the products and services that it delivers and its... more

New Jersey Resources Corporation (NJR) is an energy services holding company providing retail and wholesale energy services to customers in New Jersey and in states from the Gulf Coast to New England regions and Canada. It operates within three segments: Natural Gas Distribution, Energy... more

Natsource is the leading institutional energy and environmental commodity broker. We are active participants in all major environmental commodity markets in the U.S. and around the world; including the sulfur dioxide (SO2) and nitrogen oxides (NOx) emissions allowance markets, the... more

KFx Inc. focuses on providing total solutions for the power industry through delivery of clean fuel production processes, intelligent software technologies, and professional services enhancing the operational efficiency of energy production while preserving the environment.

PNM is a combined electric and gas utility serving approximately 1.3 million people in New Mexico. The company also sells power on the wholesale market, manages the City of Santa Fe's water system, and offers energy and water management services for other municipalities and for government... more

Austin Energy is the 10th largest public power utility in the nation providing low cost reliable power to the capitol city of Texas, home to the country's third largest concentration of high tech industries and the nation's largest university. Austin Energy is a recognized industry leader... more

Clean Edge, Inc., based in the San Francisco Bay Area, is a research and consulting firm that helps companies and investors understand and profit from the clean-tech marketplace. Through its business consulting services, research reports, and industry events, Clean Edge works to build... more

Nexant is a major independent global business consulting firm focusing in the energy sector. It includes the largest specialized global petroleum and chemical industry-based consulting practice in the world, with key offices in London, New York, Houston, and Bangkok. We provide expert... more

The Long Island Power Authority, a non-profit municipal electric provider, owns the transmission and distribution system on Long Island and provides electric service to more than 1.1 million customers in Nassau and Suffolk counties and the Rockaway Peninsula in Queens. LIPA is the 2nd... more

In 1994, a broad coalition of public-interest organizations and energy companies created the Renewable Northwest Project (RNP) to actively promote development of the region's untapped renewable resources. RNP has proven to be a forceful advocate for expanding solar, wind and geothermal... more

groSolar was founded in 1998 as Global Resource Options. My wife Dori Wolfe and I, both degreed engineers with a history in large building design, founded the company to bring sustainability to design, and renewable energy to more people. Starting with small off-grid solar projects and... more

At Powerspan, we pioneer cost-effective and timely solutions for the power generating base. Our core technology, Electro-Catalytic Oxidation (ECO®) applied to coal combustion systems, provides the functionality of four separate emission control technologies in a single integrated system... more

Econergy International is a renewable Independent Power Producer with a 14-year track record in the Americas. Founded in 1994 as a consultancy, Econergy International began carbon brokerage activities in 2001 and investment activities in 2004 with the financial close of the CleanTech Fund... more

3. npower is one of the UK's largest energy providers supplying gas, electricity, home maintenance, warranty and conveyancing services to over 6 million customers anywhere in the UK mainland.

CESA is managed by Clean Energy Group, Inc. (CEG), a nonprofit 501(c)(3), publicly supported charitable organization. CEG (www.cleanegroup.org) was established in January 1998 to promote market-based actions to replace the existing electricity generation system with new, less polluting... more

B&W maintains a commitment to our manufacturing operations, as they play a critical role in serving the power generation and government industries. We own and operate state-of-the-art manufacturing facilities throughout the world and utilize a global network of qualified fabricators to... more

Site Controls provides enterprise-wide energy management, facilities intelligence, and grid efficiency solutions to commercial customers and power suppliers. The company's solutions incorporate energy efficiency, corporate social responsibility, comfort and controls, operational... more